If you haven’t encountered RPN before, it is an easy way to express math without ambiguity. For example, what’s 5 + 3 * 6? It’s 23 and not 48. By order of operations you know that you have ...

This can lead to teams focusing on low customer-impact failure modes It is possible to use only the RPN value as a strategy ...

This is a calculator which uses Reverse Polish Notation, or RPN. A full write-up in Japanese (Google Translate link) carries an impressive level of detail about the project, but in short ...

For example, instead of 2 + 2 = 4 (algebraic entry), RPN entry would be: 2 ENTER KEY 2 + (the mathematical operation comes last). Although mathematicians and engineers were comfortable with RPN ...